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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 66	$ 52	$ 19
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	194	$ 128
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	42
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 1,200
Federal [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2023
Open Tax Year	2017
Federal [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2037
Open Tax Year	2020
State [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2022
Open Tax Year	2014
State [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2041
Open Tax Year	2021
Non-U.S [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2015
Non-U.S [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2021
Finite-lived NOL carryforwards [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	$ 42
Indefinite NOL carryforwards [Member] | Federal [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	$ 295

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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